16971760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16319}}^1$

素因数の和:16345

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 25525520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16319, 32638, 65276, 81595, 130552, 163190, 212147, 261104, 326380, 424294, 652760, 848588, 1060735, 1305520, 1697176, 2121470, 3394352, 4242940, 8485880, 16971760]

約数ペア:

[(1, 16971760), (2, 8485880), (4, 4242940), (5, 3394352), (8, 2121470), (10, 1697176), (13, 1305520), (16, 1060735), (20, 848588), (26, 652760), (40, 424294), (52, 326380), (65, 261104), (80, 212147), (104, 163190), (130, 130552), (208, 81595), (260, 65276), (520, 32638), (1040, 16319)]